linux-kernel - Re: [PATCH v4 4/4] perf test amd ibs: Add sample period unit test

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Message-ID: <09f5d37b-0ef8-4cc5-bf60-172c448ff9c7@amd.com>
Date: Wed, 30 Apr 2025 21:37:22 +0530
From: Ravi Bangoria <ravi.bangoria@....com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>, Namhyung Kim <namhyung@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Joe Mario <jmario@...hat.com>,
 Stephane Eranian <eranian@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
 Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>,
 "Shukla, Santosh" <santosh.shukla@....com>,
 Ananth Narayan <ananth.narayan@....com>, Sandipan Das
 <sandipan.das@....com>, Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH v4 4/4] perf test amd ibs: Add sample period unit test

Hi Arnaldo,

> root@...ber:/home/acme/git/linux# perf test -vvv ibs
>  73: AMD IBS via core pmu:
> --- start ---
> test child forked, pid 10047
> Using CPUID AuthenticAMD-26-44-0
> type: 0x0, config: 0x0, fd: 3  -  Pass
> type: 0x0, config: 0x1, fd: -1  -  Pass
> type: 0x4, config: 0x76, fd: 3  -  Pass
> type: 0x4, config: 0xc1, fd: 3  -  Pass
> type: 0x4, config: 0x12, fd: -1  -  Pass
> ---- end(0) ----
>  73: AMD IBS via core pmu                                            : Ok
> root@...ber:/home/acme/git/linux#

It picks up both the IBS tests for me. (Is that what you mean?)

  $ sudo ./perf test ibs
   73: AMD IBS via core pmu                                            : Ok
  112: AMD IBS sample period                                           : Ok

  $ ./perf --version
  perf version 6.15.rc2.g35db59fa8ea2

Thanks,
Ravi